Top Description Fields Constructors Methods
org.hibernate.criterion

public Class NullExpression

extends Object
implements Criterion
Class Inheritance
All Implemented Interfaces
org.hibernate.criterion.Criterion, java.io.Serializable
Imports
org.hibernate.Criteria, .HibernateException, org.hibernate.engine.spi.TypedValue, org.hibernate.internal.util.StringHelper
Constrains a property to be null
Author
Gavin King

Field Summary

Modifier and TypeField and Description
private static final TypedValue[]
NO_VALUES

private final String
propertyName

Constructor Summary

AccessConstructor and Description
protected
NullExpression(String
The name of the property to check for null
propertyName)

Constructs a NullExpression

Method Summary

Modifier and TypeMethod and Description
public TypedValue[]
getTypedValues(Criteria
The local criteria
criteria, CriteriaQuery
The overall criteria query
criteriaQuery)

Implements org.hibernate.criterion.Criterion.getTypedValues.

Return typed values for all parameters in the rendered SQL fragment
public String
toSqlString(Criteria
The local criteria
criteria, CriteriaQuery
The overall criteria query
criteriaQuery)

Implements org.hibernate.criterion.Criterion.toSqlString.

Render the SQL fragment
public String
toString()

Overrides java.lang.Object.toString.

Returns a string representation of the object.
Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAllwaitwaitwait

Field Detail

NO_VALUESback to summary
private static final TypedValue[] NO_VALUES
propertyNameback to summary
private final String propertyName

Constructor Detail

NullExpressionback to summary
protected NullExpression(String propertyName)

Constructs a NullExpression

Parameters
propertyName:String

The name of the property to check for null

See Also
Restrictions#isNull

Method Detail

getTypedValuesback to summary
public TypedValue[] getTypedValues(Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException

Implements org.hibernate.criterion.Criterion.getTypedValues.

Doc from org.hibernate.criterion.Criterion.getTypedValues.

Return typed values for all parameters in the rendered SQL fragment

Parameters
criteria:Criteria

The local criteria

criteriaQuery:CriteriaQuery

The overall criteria query

Returns:TypedValue[]

The types values (for binding)

Annotations
@Override
Exceptions
HibernateException:
Problem determining types.
toSqlStringback to summary
public String toSqlString(Criteria criteria, CriteriaQuery criteriaQuery) throws HibernateException

Implements org.hibernate.criterion.Criterion.toSqlString.

Doc from org.hibernate.criterion.Criterion.toSqlString.

Render the SQL fragment

Parameters
criteria:Criteria

The local criteria

criteriaQuery:CriteriaQuery

The overall criteria query

Returns:String

The generated SQL fragment

Annotations
@Override
Exceptions
HibernateException:
Problem during rendering.
toStringback to summary
public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object.

Returns:String

a string representation of the object.

Annotations
@Override